18.25" x 33" x 1" MERV 13 AC & Furnace Filters (6 Pack)

Made in USA
  • SP-18.25x33x1A-P13M6

List Price $378.57

Our Price: $189.29

Save: $189.28!
FREE
Shipping
Made to order (Ships in 3 business days)
Replace every 3 months
Email Reminder
  • Product Overview
This item is made to order, non-returnable, and ships within 2-4 business days. Please check the actual dimensions listed below prior to ordering.
Notice: Air filters are often cut slightly smaller than the actual measurement during the manufacturing process. A margin of error of up to 1/8" is allowed without negatively affecting the overall fit and performance of the air filter.
MERV 13 18.25x33x1 Furnace Filter Overview
  • This is a non-standard size filter. The actual dimensions of the filter are 18.25" x 33" x 0.75". Please measure your existing filter before ordering to make sure it will be compatible.
  • This is a double panel filter. Due to the large face area (length x width), two filters will be taped together to make this size. This is an industry standard practice and does not affect the performance of the filter.
  • Long-lasting value package
The MERV 13 33 x 18-1/4 x 1 furnace & air conditioner filter will remove the following contaminants:
  • Lint & Dust
  • Dust Mite Debris
  • Pollen
  • Mold Spores
  • Pet Dander
  • Auto Emissions
  • Smoke
  • Tobacco
  • Bacteria
Air Filter FAQs